Content Analysis: Full story: Nanoscale layers in the First freeze it, then pull it out.

Photo Gallery

Mollusc shells take a beating without shattering
Removing a conch muscle from it's shell without damaging the shell.
Molluscs - Moon Snail Preys on Cockles
What lives inside seashells - Clam opens mouth, Clam walking
Mollusks: More than a Shell | Changing Seas
Mollusks: More than a Shell - Full Episode